Home / 343,869.20-516,192.60-265,331.60

Finding the Fourth Proportional to 343,869.20, 516,192.60 and 265,331.60

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Solution

The fourth proportional to 343,869.20, 516,192.60 and 265,331.60 is: 398,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,869.20 : 516,192.60 = 265,331.60 : x
  2. Step 2: Convert to fraction form
    343,869.20/516,192.60 = 265,331.60/x
  3. Step 3: Cross multiply
    343,869.20x = 516,192.60 × 265,331.60
  4. Step 4: Simplify right side
    343,869.20x = 136,962,208,466.16
  5. Step 5: Solve for x
    x = 136,962,208,466.16/343,869.20
  6. Step 6: Final answer
    x = 398,297.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.